1 from django.http import HttpResponse, HttpResponseRedirect, Http404
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2 from django.utils import simplejson
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3 from django.core.paginator import Paginator, EmptyPage
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4 from django.shortcuts import render_to_response
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5 from django.template import RequestContext
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6 from django.utils.translation import ungettext, ugettext as _
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9 def render(template=None, tab=None):
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10 def decorator(func):
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11 def decorated(request, *args, **kwargs):
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12 context = func(request, *args, **kwargs)
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15 context['tab'] = tab
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17 return render_to_response(context.pop('template', template), context, context_instance=RequestContext(request))
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21 def list(paginate, default_page_size):
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22 def decorator(func):
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23 def decorated(request, *args, **kwargs):
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24 context = func(request, *args, **kwargs)
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26 pagesize = request.utils.page_size(default_page_size)
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27 page = int(request.GET.get('page', 1))
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29 big_list = context[paginate]
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30 paginator = Paginator(big_list, pagesize)
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33 page_obj = paginator.page(page)
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37 context[paginate] = page_obj.object_list.lazy()
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39 base_path = context.get('base_path', None) or request.path
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40 sort = request.utils.sort_method('')
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42 context["pagination_context"] = {
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43 'is_paginated' : True,
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44 'pages': paginator.num_pages,
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46 'has_previous': page_obj.has_previous(),
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47 'has_next': page_obj.has_next(),
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48 'previous': page_obj.previous_page_number(),
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49 'next': page_obj.next_page_number(),
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50 'base_url' : "%s%ssort=%s&" % (base_path, ('?' in base_path) and '&' or '?', sort),
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51 'pagesize' : pagesize
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54 context['sort_context'] = {
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55 'base_url': "%s%ssort=" % (base_path, ('?' in base_path) and '&' or '?'),
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64 class CommandException(Exception):
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69 def decorated(request, *args, **kwargs):
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71 response = func(request, *args, **kwargs)
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73 if isinstance(response, HttpResponse):
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76 response['success'] = True
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77 except Exception, e:
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78 #import sys, traceback
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79 #traceback.print_exc(file=sys.stdout)
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81 if isinstance(e, CommandException):
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84 'error_message': e.message
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87 logging.error("%s: %s" % (func.__name__, str(e)))
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90 'error_message': _("We're sorry, but an unknown error ocurred.<br />Please try again in a while.")
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93 if request.is_ajax():
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94 return HttpResponse(simplejson.dumps(response), mimetype="application/json")
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96 return HttpResponseRedirect(request.META.get('HTTP_REFERER', '/'))
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